scale_steps

Creates a two colour binned gradient (low-high), creates a diverging binned colour gradient (low-mid-high), and creates a n-colour binned gradient. and then convert it to ggplotly.

df <- data.frame(
  x = runif(100),
  y = runif(100),
  z1 = rnorm(100)
)
p <-    
 ggplot(df, aes(x, y)) +
  geom_point(aes(colour = z1)) +
  scale_colour_steps()

plotly::ggplotly(p)

df <- data.frame(
  x = runif(100),
  y = runif(100),
  z1 = rnorm(100)
)
p <-    
 ggplot(df, aes(x, y)) +
  geom_point(aes(colour = z1)) +
  scale_colour_steps2()

plotly::ggplotly(p)

df <- data.frame(
  x = runif(100),
  y = runif(100),
  z1 = rnorm(100)
)
p <-    
 ggplot(df, aes(x, y)) +
  geom_point(aes(colour = z1)) +
  scale_colour_stepsn(colours = terrain.colors(10))

plotly::ggplotly(p)